Most customers I work with use FC connections to their EMC storage we’ve sold them, but today I was with a customer who has a complete DELL setup and used iSCSI to connect to their Dell Equallogic PS4000E storage over a set of Dell PowerConnect switches. I was asked to configure the dependent hardware iSCSI […]
VMware
New design for GabesVirtualWorld
After running the “Private Investigator” design, a film noir theme, for almost 2 years, it was time for a redesign. I asked my good twitter friend Jenneke van Wijngaarden (@JennekePenneke) for help and ideas. Jenneke is well known for her graffiti art on walls and paintings, but she had never before created a design for a […]
Discover game changing replication for vSphere VMs
(Copied from the Veeam announcement) Need to change your disaster recovery practices? Join VMware vExpert Gabrie van Zanten, a principal consultant at Open Line for this LIVE webinar and discover how a strong replication strategy will improve your DR practices. Gabrie van Zanten is a VMware virtualization expert, the author on his ownweblog Rick Vanover, […]
VMware HA Admission Control and VM reservations
Did you know about VMware HA admission control coupled to VM reservations? To be honest I thought I knew, but recently I was pointed to some details that showed me I was wrong. What I’m talking about is the cluster setting of “HA Admission Control” and how “Percentage of cluster resources reserved as failover spare capacity” […]
How too many vCPUs can negatively affect performance
Customer with small vSphere environment of just two hosts had performance issues and they asked me to investigate the situation. When looking at the technical specs at first glance, you would suspect that this configuration should work. With just two hosts, each dual Quad core CPU, the enivornment had a total of 16 CPU cores. […]